JPH041633B2 - - Google Patents
Info
- Publication number
- JPH041633B2 JPH041633B2 JP59079178A JP7917884A JPH041633B2 JP H041633 B2 JPH041633 B2 JP H041633B2 JP 59079178 A JP59079178 A JP 59079178A JP 7917884 A JP7917884 A JP 7917884A JP H041633 B2 JPH041633 B2 JP H041633B2
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- sheath tube
- tube
- plate
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
【発明の詳細な説明】
本発明は経鼻挿入用カテーテルに関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a catheter for nasal insertion.
通常、栄養補給用経鼻挿入用カテーテルは軟質
の細いプラスチツク製チユーブの挿入端部に錘体
を封入した錘体部があり、鼻腔から胃あるいは腸
内に、その重さを利用して挿入して錘体部の少し
上の１個または２個の側孔から栄養液を供給する
ようにしてある。 Normally, a nasal catheter for feeding is a thin, soft plastic tube with a weight enclosed at the insertion end, and it is inserted from the nasal cavity into the stomach or intestines using its weight. Nutrient liquid is supplied from one or two side holes slightly above the weight body.
カテーテルは長期間鼻腔を通して留置されるた
め患者にとつて大変な苦痛を伴うものである。こ
れを緩和するために極力軟質の材質であることが
好ましい。またカテーテルは長期間内臓壁に接触
するため、材質が硬いと内臓壁の組織が壊死して
しまう危険性があり、この理由からも軟質プラス
チツクチユーブでできていることが望ましい。と
ころがこれらの軟質のチユーブを大きな屈曲のあ
る胃、腸まで入れるには鼻腔を通じて更に通路の
狭い喉頭を越え食道を通過させねばならず、軟質
プラスチツクチユーブ製のカテーテルでは腰が弱
く、挿入が困難である。 Catheters are indwelled through the nasal cavity for long periods of time, which is extremely painful for patients. In order to alleviate this problem, it is preferable to use a material that is as soft as possible. In addition, since the catheter is in contact with the visceral wall for a long period of time, if the material is hard, there is a risk of necrosis of the tissue of the visceral wall, and for this reason as well, it is desirable that the catheter be made of a soft plastic tube. However, in order to insert these soft tubes into the stomach and intestines, which have large curvatures, they must be passed through the nasal cavity, through the larynx, which has a narrow passageway, and through the esophagus.Catheters made from soft plastic tubes are weak and difficult to insert. be.
このため従来はカテーテルの内腔にガイドワイ
ヤーを挿入し、腰を強くして挿入する方法が採ら
れていたが、ガイドワイヤーをカテーテルに挿入
するには両者間の摩擦抵抗を緩げるため、潤滑剤
をカテーテル内面に塗る手間を要し、さらにガイ
ドワイヤーの挿入自体も面倒であつた。 For this reason, the conventional method was to insert the guide wire into the lumen of the catheter and strengthen the waist. It took time and effort to apply lubricant to the inner surface of the catheter, and furthermore, inserting the guidewire itself was troublesome.
さらに挿入に際してガイドワイヤーの先端がカ
テーテルの側孔より突出し、内臓壁を突きさす危
険性もあつた。 Furthermore, during insertion, the tip of the guide wire protruded from the side hole of the catheter, and there was a risk that it would pierce the internal organ wall.
この発明はこのような欠点を解消するためにな
されたもので、先ずカテーテルを、全長にわたつ
て縦に引裂線が入つていて、カテーテルよりも弾
性と剛性とがやゝ高いプラスチツク製のシース管
内に挿入収納しておき、このシース管ごと胃や腸
内に挿入するようにしたので、鼻腔を含めて挿入
が極めて容易となり、挿入後は、鼻腔外で固定具
の挟持板にカテーテルを挟持状態で支持させると
ともに、固定具の支持板にゆるやかに支えられた
シース管をこの支持板を通つた部分から縦に引き
裂いてゆけば自然とシース管は上方に引き上げら
れてきて、カテーテルのみが胃腸内にそのまゝ保
持できるようにしたものである。 This invention was made to eliminate these drawbacks. First, the catheter was made of a plastic sheath that had longitudinal tear lines along its entire length and had higher elasticity and rigidity than the catheter. The catheter is inserted and stored inside the tube, and the sheath tube is inserted into the stomach or intestine, making it extremely easy to insert the catheter into the nasal cavity.After insertion, the catheter is held between the clamping plates of the fixture outside the nasal cavity. If the sheath tube, which is loosely supported by the support plate of the fixture, is torn vertically from the part that passes through the support plate, the sheath tube will naturally be pulled upwards, leaving only the catheter in the gastrointestinal tract. It is designed so that it can be kept as it is inside.
次に本発明の経鼻挿入用カテーテルについて図
示の実施例によつて説明する。第１図は本発明の
経鼻挿入用カテーテルの説明図で、１は上記の如
く極めて軟質のカテーテルで先端部には錘体部２
があり、この錘体部２の少し上方には栄養液補給
用の側孔（図示せず）がある。３はこのカテーテ
ル１を摺動可能に挿入収納した、カテーテルより
も弾性と剛性のやゝ高いプラスチツク製のシース
管であり、このシース管３は全長にわたり縦の引
裂線により引裂き可能に構成されている。引裂線
４は他の部分よりも肉厚が薄く、または他の素材
で構成されている。 Next, the nasal insertion catheter of the present invention will be explained with reference to the illustrated embodiment. FIG. 1 is an explanatory view of the catheter for nasal insertion of the present invention, in which 1 is an extremely soft catheter as described above, and the tip has a weight body 2.
There is a side hole (not shown) slightly above the weight body 2 for supplying nutrient solution. Reference numeral 3 denotes a sheath tube made of plastic with slightly higher elasticity and rigidity than the catheter, into which the catheter 1 is slidably inserted and housed. There is. The tear line 4 is thinner than other parts, or is made of another material.
上記のようなカテーテル１を内部に通した経鼻
挿入チユーブＡ（シース管３内にカテーテル１を
内蔵したものをいう）を挿入後鼻腔外でこれを固
定具Ｂに固定する。 After inserting the nasal insertion tube A (referring to the catheter 1 built into the sheath tube 3) into which the catheter 1 as described above is passed, it is fixed to the fixture B outside the nasal cavity.
固定具Ｂはやゝ厚目のプラスチツク板で構成さ
れ、カテーテルを確実に支持するカテーテル挾持
溝５を有するカテーテル挾持板６とシース管３
（内にカテーテル１を挿入した）をゆるやかに支
持するシース管支持溝７を有する支持板８を平行
に小間隔で位置させその間を連結板９で固定して
なるもので、カテーテル挾持溝５にカテーテル１
のみを確実に挾持せしめたカテーテル挾持板６と
シース管支持板８との間のスペースでシース管３
を縦の引裂き線４（本実施例では２本の引裂き線
がある）から二本３ａ，３ｂに引裂いてゆくと自
然とシース管の先端は上方に容易に引き上げられ
て遂にはカテーテル１のみが胃腸内に挿入された
ままで残留するものである。よつてカテーテルの
胃腸への挿入は極めて容易に実施できるようにな
り、また第３図は幽門を通過させてカテーテル１
をセツトし、シース管３を鼻腔外の固定具Ｂを介
して第２図に示すように挾持板、支持板６，８間
で引裂線４により３ａ，３ｂの２個に引裂く状態
を示し、シース管３の先端は上昇して遂に完全に
シース管が除去でき、カテーテル１のみが挾持板
６の挾持溝５に確実に挾持固定できるようにな
る。Ｃは人体である。 Fixture B is made of a slightly thicker plastic plate, and includes a catheter clamping plate 6 having a catheter clamping groove 5 that reliably supports the catheter, and a sheath tube 3.
Support plates 8 having sheath tube support grooves 7 for loosely supporting the catheter (into which the catheter 1 is inserted) are positioned parallel to each other at small intervals, and a connecting plate 9 is fixed between them. Catheter 1
In the space between the catheter holding plate 6 and the sheath tube support plate 8, which securely hold
When the sheath tube is torn into two pieces 3a and 3b from the vertical tear line 4 (there are two tear lines in this example), the tip of the sheath tube is naturally easily pulled upwards, and finally only the catheter 1 is left. It remains inserted into the gastrointestinal tract. Therefore, the catheter can be inserted into the gastrointestinal tract very easily, and FIG.
is set, and the sheath tube 3 is torn into two pieces 3a and 3b by the tear line 4 between the clamping plate and the support plates 6 and 8 as shown in FIG. 2 through the fixture B outside the nasal cavity. The distal end of the sheath tube 3 rises, and the sheath tube can finally be completely removed, and only the catheter 1 can be securely clamped and fixed in the clamping groove 5 of the clamping plate 6. C is the human body.
本発明はカテーテルが全長にわたり上記の特性
をもつシース管内に摺動可能に被嵌され、鼻腔、
胃腸へと軟質プラスチツクチユーブでできたカテ
ーテルの挿入を極めて容易にかつ安全に実施する
ことができ、従来のカテーテルに比し便利で患者
の苦痛も危険性も極めて軽度のものとすることが
できるものである。 In the present invention, the catheter is slidably fitted over the entire length into a sheath tube having the above-mentioned characteristics, and
A catheter made of a soft plastic tube can be inserted into the gastrointestinal tract extremely easily and safely, and is more convenient than conventional catheters and causes far less pain and risk to the patient. It is.
なおプラスチツク製のシース管内に入れるカテ
ーテルは先の錘体部がないものでも、このシース
管に入れて胃腸に挿入できる。これはシース管が
適度の弾性と剛性を有するからで、シース管を上
述のように引裂きながら引き上げてもカテーテル
が、シース管と共に引き上げられて来ないように
なつている。例えばシース管の内壁内をあるいは
カテーテル表面を砂目状にしておいて摺動の抵抗
を少くするように作製されるものなどを利用する
とか潤滑剤を用いる等の方法がある。またシース
管の引裂線は図のように必ずしも２本である必要
はなく、１本でも引裂きの目的を達することがで
きるものである。 Note that a catheter inserted into a plastic sheath tube can be inserted into the gastrointestinal tract even if it does not have a weight at the end. This is because the sheath tube has appropriate elasticity and rigidity, so that even if the sheath tube is pulled up while being torn as described above, the catheter will not be pulled up together with the sheath tube. For example, there are methods such as using a material made to reduce sliding resistance by making the inner wall of the sheath tube or the surface of the catheter grainy, or using a lubricant. Further, the number of tear lines on the sheath tube does not necessarily have to be two as shown in the figure, and the purpose of tearing can be achieved with just one tear line.
この発明では上述の固定具Ｂを用いるので１人
の人員でこの動作ができるわけでカテーテル１は
カテーテル挾持板の挾持溝５でしつかりと挾持固
定されるので引き裂きも１人の人員で実施が可能
であつて極めて便利であり本発明による低コスト
の固定具により省人的にも効果がある。 In this invention, since the above-mentioned fixing device B is used, this operation can be performed by one person.Since the catheter 1 is firmly clamped and fixed in the clamping groove 5 of the catheter clamping plate, tearing can also be carried out by one staff. This is possible and extremely convenient, and the low-cost fixture according to the invention also saves manpower.
第１図は本発明の経鼻挿入用カテーテルの説明
図、第２図は第１図のＸ−部の拡大説明図、第３
図は本発明の経鼻挿入用カテーテルの人体挿入操
作を示す説明図である。
Ａ……経鼻挿入チユーブ、Ｂ……経鼻挿入チユ
ーブ固定具、１……カテーテル、２……錘体部、
３……縦に引裂き可能のプラスチツクシース管、
３ａ，３ｂ……引裂かれたそれぞれのシース管
部、４……引裂き線、５……カテーテル挾持溝、
６……カテーテル挾持板、７……シース管支持
溝、８……シース管支持板、９……連結板。
FIG. 1 is an explanatory diagram of the catheter for nasal insertion of the present invention, FIG. 2 is an enlarged explanatory diagram of the X-section in FIG.
The figure is an explanatory view showing the operation of inserting the catheter for nasal insertion into the human body according to the present invention. A... Nasal insertion tube, B... Nasal insertion tube fixing device, 1... Catheter, 2... Weight body part,
3...Plastic sheath tube that can be torn vertically,
3a, 3b...each torn sheath tube section, 4...tear line, 5...catheter holding groove,
6... Catheter holding plate, 7... Sheath tube support groove, 8... Sheath tube support plate, 9... Connection plate.
Claims (1)
よりも弾性と剛性のやや大きいプラスチツク製シ
ース管内にカテーテル全体を摺動自在に被嵌せし
めてなる経鼻挿入チユーブと該チユーブの鼻孔部
での固定具よりなり、該固定具はカテーテル挟持
溝を有する挟持板と、カテーテルを内蔵した上記
シース管をゆるやかに支持できる支持溝を有する
支持板を平行におき、両板間を連結板で固定して
なることを特徴とする経鼻挿入用カテーテル。1. A nasal insertion tube in which the entire catheter is slidably fitted into a plastic sheath tube that has a longitudinal tear line along its entire length and has slightly greater elasticity and rigidity than the catheter, and a fixture for fixing the tube at the nostril. The fixing device consists of a clamping plate having a catheter clamping groove and a support plate having a support groove that can loosely support the sheath tube containing the catheter, which are placed in parallel, and the two plates are fixed by a connecting plate. A nasal insertion catheter characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59079178A JPS60222067A (en) | 1984-04-19 | 1984-04-19 | Nose insert catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59079178A JPS60222067A (en) | 1984-04-19 | 1984-04-19 | Nose insert catheter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60222067A JPS60222067A (en) | 1985-11-06 |
| JPH041633B2 true JPH041633B2 (en) | 1992-01-13 |
Family
ID=13682720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59079178A Granted JPS60222067A (en) | 1984-04-19 | 1984-04-19 | Nose insert catheter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60222067A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0337638Y2 (en) * | 1985-12-09 | 1991-08-08 | ||
| JPH0757245B2 (en) * | 1986-03-14 | 1995-06-21 | 日本シヤ−ウツド株式会社 | Double tube enteral feeding tube with removable sheath tube and bifurcated connector |
| JP2007037971A (en) * | 2005-07-05 | 2007-02-15 | Ookiddo:Kk | Catheter assembly and sheath tearing assist |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2926572C2 (en) * | 1979-06-30 | 1982-04-15 | B. Braun Melsungen Ag, 3508 Melsungen | Divisible short catheter made of plastic |
-
1984
- 1984-04-19 JP JP59079178A patent/JPS60222067A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60222067A (en) | 1985-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |